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MembershipRollupBody

Struct MembershipRollupBody 

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pub struct MembershipRollupBody {
    pub store_root_hash: ObjectHash,
    pub author_registration: StoreDeviceRegistrationRef,
    pub streams: Vec<MembershipRollupStream>,
    pub resolutions: Vec<MembershipRollupResolution>,
}
Expand description

Every membership object a reader needs to reach one membership frontier, carried in one object.

The membership chain is hash-linked per author stream, so a reader has to verify it in order — but it does not have to fetch it in order, and it does not have to fetch it one object at a time. A device joining a Store with a few dozen membership changes spent two provider round trips per change discovering and reading objects that had not moved in months, which on a live store was about eighty percent of the whole join.

This carries all of them. Nothing in it is believed: a reader takes the bytes, keys them by the slot and the content address they claim, and then runs the identical anchored-chain walk it would have run over its own reads — same signature checks, same predecessor linkage, same Store-commit activation for authority changes, same conflict-resolution layering. A rollup that is stale costs the reader the tail it does not cover; a rollup that is wrong is refused here and the reader walks the provider exactly as it did before.

It is published beside a snapshot and named by the signed snapshot metadata, which is what makes it discoverable before a joining device has opened the Store keyring — the membership chain is what opens that keyring, so nothing a joiner needs to read it can live behind it.

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§store_root_hash: ObjectHash§author_registration: StoreDeviceRegistrationRef§streams: Vec<MembershipRollupStream>§resolutions: Vec<MembershipRollupResolution>

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impl Clone for MembershipRollupBody

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fn clone(&self) -> MembershipRollupBody

Returns a duplicate of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for MembershipRollupBody

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl<'de> Deserialize<'de> for MembershipRollupBody

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fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>
where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more
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impl PartialEq for MembershipRollupBody

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fn eq(&self, other: &MembershipRollupBody) -> bool

Tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl Serialize for MembershipRollupBody

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fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>
where __S: Serializer,

Serialize this value into the given Serde serializer. Read more
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impl SignedBody for MembershipRollupBody

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const DOMAIN: &'static [u8] = MEMBERSHIP_ROLLUP_DOMAIN

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impl Eq for MembershipRollupBody

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impl StructuralPartialEq for MembershipRollupBody

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
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